首页|A Spectral Radius Condition for a Graph to Have(a,b)-Parity Factors
A Spectral Radius Condition for a Graph to Have(a,b)-Parity Factors
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Let a,b be two positive integers such that a≤b and a ≡ b(mod 2).We say that a graph G has an(a,b)-parity factor if G has a spanning subgraph F such that dF(v)≡ b(mod 2)and a ≤ dF(v)≤ b for all v ∈ V(G).In this paper,we provide a tight spectral radius condition for a graph to have(a,b)-parity factors.
Spectral radius[a,b]-factor(a,b)-parity factor
WANG Jun-jie、YU Yang、HU Jian-biao、WEN Peng
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School of Mathematics,East China University of Science and Technology,Shanghai 200237,China
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